i think there's a wonder bar tube or something a regular here has posted (he'll kill me since i don't remember his name). check the bryce freebies for that. otherwise, you have three options: 1. symmetrical lattice. make what you want in photoshop or whatever, blur it a bit, import it into the terrain lab as a picture and have fun. 2. multi-replication of a sphere or something. hard and annoying 3. cylinder, sphere, cylinder, sphere 4. bonus: www.wings3d.com Drac